There are 19 13s in 250. 250/13 =19.23
465
There are three.
You need to state units . - -13 of WHAT !
Nine of them leaving three remaining
The plural for thirteen is thirteens (13s). As in "they are in their thirteens".
2.38 or twice with a remainder of 5.
It is 169.
paper round
2 remainder 3
It seems like there is a typo in your question. It is unclear what you mean by "13s in the usf." Could you please provide more context or clarify your question?
13s - 2